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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 14,479	$ 15,630	$ 28,297	$ 29,141
Other comprehensive income (loss):
Change in unrealized appreciation (depreciation) of available-for-sale securities	2,244	(4,727)	6,647	(1,781)
Reclassification adjustment for realized losses (gains) included in net income	209	(4)	199	(4)
Income tax effect	(921)	1,776	(2,570)	670
Other comprehensive income (loss), net of tax	1,532	(2,955)	4,276	(1,115)
Comprehensive income	$ 16,011	$ 12,675	$ 32,573	$ 28,026

X

- Definition

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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